REAL ESTATE AND CAPITALIZED INTEREST - Summary of Capitalized Interest (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Summary of capitalized interest
Capitalized interest, beginning of period	$ 84,443	$ 72,327	$ 78,564	$ 68,196
Interest incurred	21,545	21,024	63,788	58,199
Interest expensed	(53)	(1,116)	(233)	(3,561)
Interest amortized to cost of home and land closings	(17,871)	(15,462)	(54,055)	(46,061)
Capitalized interest, end of period	$ 88,064	$ 76,773	$ 88,064	$ 76,773